Penn Library's LJS 443 - [Collection of texts on the calendar]. (Video Orientation)

http://repository.upenn.edu/sims_ebooks/65

http://openn.library.upenn.edu/Data/0001/html/ljs443.html

Video Orientation to the University of Pennsylvania Library's LJS 443, a collection of commentaries, treatises, tables and diagrams concerning the calendar, by authors from the 7th to the 15th centuries, the most recent being Hakob Ghrimetsʻi, who compiled his commentary in 1416, probably within a decade of the copying of this manuscript. Some marginal notations. Written in Armenia after 1416 (date of compilation of commentary on the calendar by Hakob Ghrimetsʻi). Digital copies and a full record are available through Franklin: https://franklin.library.upenn.edu/catalog/FRANKLIN_9951496233503681 Record on Internet Archive, with a link to a PDF: https://archive.org/details/ljs443